Metroid Prime 3: Corruption
Super Mario Galaxy 2
Muramasa: The Demon Blade
...
No. 3 games is not enough. Also:
Super Smash Bros. Brawl
The Legend of Zelda: Skyward Sword
Donkey Kong Country Returns
Monster Hunter Tri
Sonic and the Black Knight
Sonic Colors
Kirby's Epic Yarn
Those games easily match the best the HD consoles have to offer.